US6333419B1 - Chromatographic separation method of paclitaxel and cephalomannin - Google Patents
Chromatographic separation method of paclitaxel and cephalomannin Download PDFInfo
- Publication number
- US6333419B1 US6333419B1 US09/724,504 US72450400A US6333419B1 US 6333419 B1 US6333419 B1 US 6333419B1 US 72450400 A US72450400 A US 72450400A US 6333419 B1 US6333419 B1 US 6333419B1
- Authority
- US
- United States
- Prior art keywords
- paclitaxel
- cephalomannin
- starting material
- butyl
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229930012538 Paclitaxel Natural products 0.000 title claims abstract description 63
- 229960001592 paclitaxel Drugs 0.000 title claims abstract description 63
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000013375 chromatographic separation Methods 0.000 title description 2
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 239000007858 starting material Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 238000004440 column chromatography Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000284 extract Substances 0.000 claims description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 241001116500 Taxus Species 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000004113 cell culture Methods 0.000 claims description 5
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000006188 syrup Substances 0.000 claims description 3
- 235000020357 syrup Nutrition 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 3
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims 2
- NMJJFJNHVMGPGM-UHFFFAOYSA-N butyl formate Chemical compound CCCCOC=O NMJJFJNHVMGPGM-UHFFFAOYSA-N 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 7
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 7
- 241001116498 Taxus baccata Species 0.000 description 6
- 238000004587 chromatography analysis Methods 0.000 description 5
- 241001674343 Taxus x media Species 0.000 description 4
- QUKGYYKBILRGFE-UHFFFAOYSA-N benzyl acetate Chemical compound CC(=O)OCC1=CC=CC=C1 QUKGYYKBILRGFE-UHFFFAOYSA-N 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 238000011097 chromatography purification Methods 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000005418 vegetable material Substances 0.000 description 4
- KXKVLQRXCPHEJC-UHFFFAOYSA-N COC(C)=O Chemical compound COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 241000202349 Taxus brevifolia Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- RUPAXCPQAAOIPB-UHFFFAOYSA-N tert-butyl formate Chemical compound CC(C)(C)OC=O RUPAXCPQAAOIPB-UHFFFAOYSA-N 0.000 description 3
- WPWHSFAFEBZWBB-UHFFFAOYSA-N 1-butyl radical Chemical compound [CH2]CCC WPWHSFAFEBZWBB-UHFFFAOYSA-N 0.000 description 2
- RFONJRMUUALMBA-UHFFFAOYSA-N 2-methanidylpropane Chemical compound CC(C)[CH2-] RFONJRMUUALMBA-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 229940007550 benzyl acetate Drugs 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- GJRQTCIYDGXPES-UHFFFAOYSA-N isobutyl acetate Chemical compound CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012285 osmium tetroxide Substances 0.000 description 2
- 229910000489 osmium tetroxide Inorganic materials 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical compound CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 2
- 0 *NC(C1=CC=CC=C1)C(O)C(=O)OC1CC2(O)C(C(=O)OC3=CC=CC=C3)C3C4(O[Ac])COC4CC(O)C3(C)C(=O)C(O[Ac])C(=C1C)C2(C)C.C/C=C(\C)C(C)=O.CC Chemical compound *NC(C1=CC=CC=C1)C(O)C(=O)OC1CC2(O)C(C(=O)OC3=CC=CC=C3)C3C4(O[Ac])COC4CC(O)C3(C)C(=O)C(O[Ac])C(=C1C)C2(C)C.C/C=C(\C)C(C)=O.CC 0.000 description 1
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010033128 Ovarian cancer Diseases 0.000 description 1
- 206010061535 Ovarian neoplasm Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 235000009065 Taxus cuspidata Nutrition 0.000 description 1
- 241001330449 Taxus wallichiana Species 0.000 description 1
- 241001149649 Taxus wallichiana var. chinensis Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000259 anti-tumor effect Effects 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- OAEQYDZVVPONKW-UHFFFAOYSA-N butan-2-yl formate Chemical compound CCC(C)OC=O OAEQYDZVVPONKW-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 208000029742 colonic neoplasm Diseases 0.000 description 1
- 239000000039 congener Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- KDCIHNCMPUBDKT-UHFFFAOYSA-N hexane;propan-2-one Chemical compound CC(C)=O.CCCCCC KDCIHNCMPUBDKT-UHFFFAOYSA-N 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid group Chemical group C(\C(\C)=C\C)(=O)O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/14—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms condensed with carbocyclic rings or ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/04—Plant cells or tissues
Definitions
- a mixture containing 70 g paclitaxel and 30 g cephalomannin is dissolved in 1.5 L t-butyl formate and loaded onto a column containing 10 kg silica gel suspended in the same solvent.
- the column is eluted with t-butyl formate, and the fractions are joined after HPLC/TLC analysis.
- the fractions containing paclitaxel and cephalomannin are concentrated to dryness separately and the residues crystallized by acetone and heptane in suitable rations to yield paclitaxel and cephalomannin having a HPLC purity over 99%.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Botany (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Cell Biology (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Epoxy Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicines Containing Plant Substances (AREA)
Priority Applications (24)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/724,504 US6333419B1 (en) | 2000-11-28 | 2000-11-28 | Chromatographic separation method of paclitaxel and cephalomannin |
| DE60138229T DE60138229D1 (de) | 2000-11-28 | 2001-11-09 | Verfahren zur chromatographischen trennung von paclitaxel und cephalomannin |
| CA002398405A CA2398405C (en) | 2000-11-28 | 2001-11-09 | Chromatographic separation method of paclitaxel and cephalomannin |
| HK03102398.1A HK1050523B (en) | 2000-11-28 | 2001-11-09 | Chromatographic separation method of paclitaxel and cephalomannin |
| DK01998544T DK1392669T3 (da) | 2000-11-28 | 2001-11-09 | Fremgangsmåde til chromatografisk adskillelse af paclitaxel og cephalomannin |
| KR1020027009572A KR100842457B1 (ko) | 2000-11-28 | 2001-11-09 | 파클리탁셀 및 세팔로만닌의 크로마토그래피에 의한분리방법 |
| CZ20022490A CZ304180B6 (cs) | 2000-11-28 | 2001-11-09 | Chromatografická metoda separace paclitaxelu a cefalomaninu |
| JP2002546532A JP4177665B2 (ja) | 2000-11-28 | 2001-11-09 | パクリタクセルとセフアロマンニンのクロマトグラフ分離法 |
| PL355683A PL202590B1 (pl) | 2000-11-28 | 2001-11-09 | Sposób chromatograficznego rozdzielania paclitaxelu i cefalomanniny |
| CNB018041345A CN1187347C (zh) | 2000-11-28 | 2001-11-09 | 紫杉醇和三尖杉宁碱的层析分离方法 |
| RU2002120482/04A RU2276669C2 (ru) | 2000-11-28 | 2001-11-09 | Способ хроматографического разделения паклитаксела и цефаломаннина |
| ES01998544T ES2321160T3 (es) | 2000-11-28 | 2001-11-09 | Metodo de separacion cromatigrafica de paclitaxel y cefalomanina. |
| HU0204028A HU229096B1 (hu) | 2000-11-28 | 2001-11-09 | Eljárás paclitaxel és cefalomannin kromatográfiás elválasztására |
| PCT/EP2001/012982 WO2002044162A1 (en) | 2000-11-28 | 2001-11-09 | Chromatographic separation method of paclitaxel and cephalomannin |
| AT01998544T ATE427305T1 (de) | 2000-11-28 | 2001-11-09 | Verfahren zur chromatographischen trennung von paclitaxel und cephalomannin |
| PT01998544T PT1392669E (pt) | 2000-11-28 | 2001-11-09 | Método de separação cromatográfica de paclitaxel e cefalomanina |
| SK1092-2002A SK287109B6 (sk) | 2000-11-28 | 2001-11-09 | Spôsob separácie paclitaxelu od cefalomanínu |
| IL15090101A IL150901A0 (en) | 2000-11-28 | 2001-11-09 | Chromatographic separation method of paclitaxel and cephalomannin |
| SI200130911T SI1392669T1 (sl) | 2000-11-28 | 2001-11-09 | Postopek za kromatografsko separacijo paklitaksela in cefalomanina |
| AU19085/02A AU780761B2 (en) | 2000-11-28 | 2001-11-09 | Chromatographic separation method of paclitaxel and cephalomannin |
| EP01998544A EP1392669B1 (en) | 2000-11-28 | 2001-11-09 | Chromatographic separation method of paclitaxel and cephalomannin |
| ARP010105483A AR031511A1 (es) | 2000-11-28 | 2001-11-26 | Metodo de separacion cromatografica de paclitaxel y cefalomanina |
| IL150901A IL150901A (en) | 2000-11-28 | 2002-07-25 | Chromatographic separation of paclitaxel and splumanin |
| NO20023555A NO328356B1 (no) | 2000-11-28 | 2002-07-25 | Kromatografisk separasjonsmetode av paclitaxel og cefalomannin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/724,504 US6333419B1 (en) | 2000-11-28 | 2000-11-28 | Chromatographic separation method of paclitaxel and cephalomannin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US6333419B1 true US6333419B1 (en) | 2001-12-25 |
Family
ID=24910677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/724,504 Expired - Lifetime US6333419B1 (en) | 2000-11-28 | 2000-11-28 | Chromatographic separation method of paclitaxel and cephalomannin |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US6333419B1 (cs) |
| EP (1) | EP1392669B1 (cs) |
| JP (1) | JP4177665B2 (cs) |
| KR (1) | KR100842457B1 (cs) |
| CN (1) | CN1187347C (cs) |
| AR (1) | AR031511A1 (cs) |
| AT (1) | ATE427305T1 (cs) |
| AU (1) | AU780761B2 (cs) |
| CA (1) | CA2398405C (cs) |
| CZ (1) | CZ304180B6 (cs) |
| DE (1) | DE60138229D1 (cs) |
| DK (1) | DK1392669T3 (cs) |
| ES (1) | ES2321160T3 (cs) |
| HU (1) | HU229096B1 (cs) |
| IL (2) | IL150901A0 (cs) |
| NO (1) | NO328356B1 (cs) |
| PL (1) | PL202590B1 (cs) |
| PT (1) | PT1392669E (cs) |
| RU (1) | RU2276669C2 (cs) |
| SI (1) | SI1392669T1 (cs) |
| SK (1) | SK287109B6 (cs) |
| WO (1) | WO2002044162A1 (cs) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060014968A1 (en) * | 2004-07-15 | 2006-01-19 | Indena S.P.A. | Methods for obtaining paclitaxel from taxus plants |
| WO2006014356A1 (en) * | 2004-07-02 | 2006-02-09 | Ivax Pharmaceuticals S.R.O. | Process for the isolation of paclitaxel |
| WO2006014345A1 (en) * | 2004-07-02 | 2006-02-09 | Ivax Pharmaceuticals S.R.O. | Process for the separation of paclitaxel and cephalomannin |
| CN104251896A (zh) * | 2014-09-30 | 2014-12-31 | 江苏红豆杉药业有限公司 | 一种半合成紫杉醇的质量控制方法 |
| CN104262300A (zh) * | 2014-09-30 | 2015-01-07 | 江苏红豆杉药业有限公司 | 一种除去紫杉醇中三尖杉宁碱的方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602004008903T2 (de) * | 2004-07-13 | 2008-06-19 | Indena S.P.A. | Verfahren zur Gewinnung von Paclitaxel aus Taxuspflanzen |
| CN102219764B (zh) * | 2011-05-12 | 2013-06-26 | 河南省科学院化学研究所有限公司 | 一种工业化分离纯化紫杉醇的方法 |
| KR102263764B1 (ko) * | 2014-08-13 | 2021-06-09 | 주식회사 엘지생활건강 | 세팔로만닌 또는 이의 약학적으로 허용가능한 염을 포함하는 피부 미백 또는 항염증용 화장료 또는 약학 조성물 |
| CN113512015A (zh) * | 2021-05-26 | 2021-10-19 | 上海卓鼎生物技术有限公司 | 一种工业化提纯三尖杉宁碱的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5618538A (en) | 1991-04-19 | 1997-04-08 | The University Of Mississippi | Methods and compositions for isolating taxanes |
| US5670673A (en) | 1990-11-02 | 1997-09-23 | University Of Florida | Method for the isolation and purification of taxol and its natural analogues |
| US5856532A (en) | 1996-08-14 | 1999-01-05 | Council Of Scientific & Industrial Research | Process for the production of taxol |
| US6002025A (en) | 1999-02-24 | 1999-12-14 | Bcm Developement Inc. | Method for the purification of taxanes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2703049B1 (fr) * | 1993-03-22 | 1995-04-21 | Rhone Poulenc Rorer Sa | Procédé de purification des taxoïdes. |
| WO1997009443A1 (en) | 1995-09-05 | 1997-03-13 | Michigan State University | PROCESS FOR THE ISOLATION AND PURIFICATION OF TAXOL AND TAXANES FROM TAXUS spp |
| US6136989A (en) * | 1998-12-30 | 2000-10-24 | Phytogen Life Sciences, Incorporated | Method for high yield and large scale extraction of paclitaxel from paclitaxel-containing material |
| US5969165A (en) * | 1999-01-07 | 1999-10-19 | 508037 (Nb) Inc. | Isolation and purification of paclitaxel and other related taxanes by industrial preparative low pressure chromatography on a polymeric resin column |
-
2000
- 2000-11-28 US US09/724,504 patent/US6333419B1/en not_active Expired - Lifetime
-
2001
- 2001-11-09 KR KR1020027009572A patent/KR100842457B1/ko not_active Expired - Fee Related
- 2001-11-09 CZ CZ20022490A patent/CZ304180B6/cs not_active IP Right Cessation
- 2001-11-09 CN CNB018041345A patent/CN1187347C/zh not_active Expired - Fee Related
- 2001-11-09 SK SK1092-2002A patent/SK287109B6/sk not_active IP Right Cessation
- 2001-11-09 CA CA002398405A patent/CA2398405C/en not_active Expired - Lifetime
- 2001-11-09 ES ES01998544T patent/ES2321160T3/es not_active Expired - Lifetime
- 2001-11-09 PL PL355683A patent/PL202590B1/pl unknown
- 2001-11-09 AU AU19085/02A patent/AU780761B2/en not_active Ceased
- 2001-11-09 AT AT01998544T patent/ATE427305T1/de active
- 2001-11-09 DK DK01998544T patent/DK1392669T3/da active
- 2001-11-09 RU RU2002120482/04A patent/RU2276669C2/ru not_active IP Right Cessation
- 2001-11-09 JP JP2002546532A patent/JP4177665B2/ja not_active Expired - Fee Related
- 2001-11-09 EP EP01998544A patent/EP1392669B1/en not_active Expired - Lifetime
- 2001-11-09 SI SI200130911T patent/SI1392669T1/sl unknown
- 2001-11-09 DE DE60138229T patent/DE60138229D1/de not_active Expired - Lifetime
- 2001-11-09 PT PT01998544T patent/PT1392669E/pt unknown
- 2001-11-09 WO PCT/EP2001/012982 patent/WO2002044162A1/en not_active Ceased
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| WO2006014345A1 (en) * | 2004-07-02 | 2006-02-09 | Ivax Pharmaceuticals S.R.O. | Process for the separation of paclitaxel and cephalomannin |
| US20080214847A1 (en) * | 2004-07-02 | 2008-09-04 | Ivax Pharmaceuticals S.R.O. | Process for the Separation of Paclitaxel and Cephalomannin |
| US20060014968A1 (en) * | 2004-07-15 | 2006-01-19 | Indena S.P.A. | Methods for obtaining paclitaxel from taxus plants |
| US7112687B2 (en) * | 2004-07-15 | 2006-09-26 | Indena, S.P.A. | Methods for obtaining paclitaxel from taxus plants |
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